Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/2337
Looks quite good all in all. Especially since we had quite thorough tests
in the type extractor before and they still pass.
The only thing this needs is a few more Scala API tests, in my opinion.
Especially around "case classes" and generic case classes. To be sure the
interoperability works well there, too.
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